Patents by Inventor Ferdinand Rokosz

Ferdinand Rokosz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Safety switch which renders hid lamp inoperative on accidental breakage of outer envelope
    Patent number: 4032816
    Abstract: HID lamp has a spring-loaded safety switch positioned between the outer protective envelope and the arc tube and electrically connected in series with one of the lamp electrodes. When the lamp is operating normally, the safety switch is maintained in the closed position, but if the outer envelope is accidentally broken, the switch automatically opens to break the lamp energizing circuit and render the lamp inoperative.
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: June 28, 1977
    Assignee: Westinghouse Electric Corporation
    Inventor: Ferdinand Rokosz